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Trifield Knowledge Base

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  • Understanding Dirty Electricity
    January 28, 2025

    Understanding Dirty Electricity

    Dirty electricity originates from various sources, exists in multiple forms, and is known by several different names (e.g., Line Noise, Dirty Electricity, etc.), but all refer to the same phenomenon: electrical noise in frequencies other than the intended 120V 60Hz...

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  • April 18, 2024

    EMF Shielding Techniques

    How to shield or avoid electromagnetic fields By the folks at Alphalab Inc. Makers of the Trifield® EMF meter (model TF2) RF: Radio waves and microwaves can be reflected off a metal sheet in exactly the same way that light...

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  • April 18, 2024

    Understanding Electromagnetism

    Magnetic and electric fields exist nearly everywhere, and the following is a brief description of what these fields are, how they are created, and what effects they produce. The concept of an “electric field” arose when electrons were observed to...

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